State of Wisconsin Investment Board’s Clean Harbors CLH Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change %
Capital Flow Portfolio Weight Portfolio Position
2025
Q2
$17.6M Sell
76,167
-2,765
-4% -$639K 0.04% 379
2025
Q1
$15.6M Buy
78,932
+1,073
+1% +$211K 0.04% 412
2024
Q4
$17.9M Buy
77,859
+9,158
+13% +$2.11M 0.05% 366
2024
Q3
$16.6M Buy
68,701
+656
+1% +$159K 0.04% 414
2024
Q2
$15.4M Buy
68,045
+1,045
+2% +$236K 0.04% 395
2024
Q1
$13.5M Sell
67,000
-8,746
-12% -$1.76M 0.04% 475
2023
Q4
$13.2M Buy
75,746
+4,925
+7% +$859K 0.04% 467
2023
Q3
$11.9M Sell
70,821
-3,827
-5% -$640K 0.04% 476
2023
Q2
$12.3M Sell
74,648
-2,349
-3% -$386K 0.03% 506
2023
Q1
$11M Sell
76,997
-9,309
-11% -$1.33M 0.03% 537
2022
Q4
$9.85M Sell
86,306
-3,178
-4% -$363K 0.03% 577
2022
Q3
$9.84M Sell
89,484
-3,284
-4% -$361K 0.03% 573
2022
Q2
$8.13M Buy
92,768
+9,187
+11% +$805K 0.02% 738
2022
Q1
$9.33M Buy
83,581
+77,422
+1,257% +$8.64M 0.02% 829
2021
Q4
$614K Sell
6,159
-189
-3% -$18.8K ﹤0.01% 1612
2021
Q3
$659K Buy
6,348
+303
+5% +$31.5K ﹤0.01% 1587
2021
Q2
$563K Sell
6,045
-482
-7% -$44.9K ﹤0.01% 1656
2021
Q1
$549K Sell
6,527
-99
-1% -$8.33K ﹤0.01% 1571
2020
Q4
$504K Sell
6,626
-270
-4% -$20.5K ﹤0.01% 1525
2020
Q3
$386K Buy
6,896
+140
+2% +$7.84K ﹤0.01% 1553
2020
Q2
$405K Sell
6,756
-230
-3% -$13.8K ﹤0.01% 1478
2020
Q1
$359K Sell
6,986
-310
-4% -$15.9K ﹤0.01% 1426
2019
Q4
$626K Hold
7,296
﹤0.01% 1359
2019
Q3
$563K Sell
7,296
-48
-0.7% -$3.7K ﹤0.01% 1286
2019
Q2
$522K Sell
7,344
-2,266
-24% -$161K ﹤0.01% 1313
2019
Q1
$687K Sell
9,610
-280
-3% -$20K ﹤0.01% 1256
2018
Q4
$488K Hold
9,890
﹤0.01% 1321
2018
Q3
$708K Sell
9,890
-220
-2% -$15.7K ﹤0.01% 1314
2018
Q2
$562K Sell
10,110
-395
-4% -$22K ﹤0.01% 1335
2018
Q1
$513K Sell
10,505
-91,345
-90% -$4.46M ﹤0.01% 1296
2017
Q4
$5.52M Buy
101,850
+140
+0.1% +$7.59K 0.02% 835
2017
Q3
$5.77M Buy
101,710
+253
+0.2% +$14.3K 0.02% 810
2017
Q2
$5.66M Sell
101,457
-7,700
-7% -$430K 0.02% 795
2017
Q1
$6.07M Sell
109,157
-17,989
-14% -$1M 0.02% 723
2016
Q4
$7.08M Sell
127,146
-21,874
-15% -$1.22M 0.03% 609
2016
Q3
$7.15M Buy
149,020
+33,000
+28% +$1.58M 0.03% 648
2016
Q2
$6.05M Sell
116,020
-6,900
-6% -$360K 0.02% 679
2016
Q1
$6.07M Sell
122,920
-1,760
-1% -$86.8K 0.02% 694
2015
Q4
$5.19M Sell
124,680
-1,080
-0.9% -$45K 0.02% 749
2015
Q3
$5.53M Sell
125,760
-1,230
-1% -$54.1K 0.02% 733
2015
Q2
$6.82M Sell
126,990
-1,150
-0.9% -$61.8K 0.02% 709
2015
Q1
$7.28M Sell
128,140
-1,260
-1% -$71.5K 0.03% 683
2014
Q4
$6.22M Sell
129,400
-15,320
-11% -$736K 0.02% 735
2014
Q3
$7.8M Buy
144,720
+340
+0.2% +$18.3K 0.03% 639
2014
Q2
$9.28M Sell
144,380
-23,880
-14% -$1.53M 0.03% 603
2014
Q1
$9.22M Sell
168,260
-24,920
-13% -$1.37M 0.04% 602
2013
Q4
$11.6M Buy
193,180
+33,670
+21% +$2.02M 0.04% 485
2013
Q3
$9.36M Buy
159,510
+21,550
+16% +$1.26M 0.04% 575
2013
Q2
$6.97M Buy
+137,960
New +$6.97M 0.03% 670